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Custom toast on Android: a simple example

I'm new to Android programming. What is a simple example showing a custom toast notification on Android? 17 Answers ...
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Which is more efficient: Multiple MySQL tables or one large table?

...inally it was set up in various tables meaning data is linked with UserIds and outputting via sometimes complicated calls to display and manipulate the data as required. Setting up a new system, it almost makes sense to combine all of these tables into one big table of related content. ...
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How to execute PHP code from the command line?

...function_exists("my_func")) echo 'function exists'; directly with the command line without having to use a seperate php file. ...
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What is the difference between save and export in Docker?

I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them. ...
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What is a semaphore?

...t should let the guests go in sequentially, but when i tried it out, it's random. Eg. Guest 40 came in first before Guest 39. Is there anything we could do to control this? – TNA May 31 '14 at 9:12 ...
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What is the difference between public, protected, package-private and private in Java?

...ess modifiers, namely the default (package private), public , protected and private , while making class and interface and dealing with inheritance? ...
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WebSockets vs. Server-Sent events/EventSource

Both WebSockets and Server-Sent Events are capable of pushing data to browsers. To me they seem to be competing technologies. What is the difference between them? When would you choose one over the other? ...
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Better way of incrementing build number?

... If I understand your question correctly, you want to modify the Project-Info.plist file, which is a part of the standard project template of Xcode? The reason I ask this is that Project-Info.plist normally is under version control, and...
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How to remove all callbacks from a Handler?

I have a Handler from my sub-Activity that was called by the main Activity . This Handler is used by sub-classes to postDelay some Runnables, and I can't manage them. Now, in the onStop event, I need to remove them before finishing the Activity (somehow I called finish() , but it still call ...
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What does passport.session() middleware do?

...entication system using Passport.js using Easy Node Authentication: Setup and Local tutorial . 4 Answers ...